20322223013 has 4 divisors (see below), whose sum is σ = 20335498368. Its totient is φ = 20308947660.

The previous prime is 20322223007. The next prime is 20322223021. The reversal of 20322223013 is 31032222302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20322223013 - 2⁴ = 20322222997 is a prime.

It is a super-3 number, since 3×20322223013³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322223513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6635381 + ... + 6638442.

It is an arithmetic number, because the mean of its divisors is an integer number (5083874592).

Almost surely, 2^20322223013 is an apocalyptic number.

It is an amenable number.

20322223013 is a deficient number, since it is larger than the sum of its proper divisors (13275355).

20322223013 is a wasteful number, since it uses less digits than its factorization.

20322223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275354.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20322223013 its reverse (31032222302), we get a palindrome (51354445315).

The spelling of 20322223013 in words is "twenty billion, three hundred twenty-two million, two hundred twenty-three thousand, thirteen".